<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" :inline="true" v-show="showSearch">
      <el-form-item label="菜单名称" prop="menuName">
        <el-input
          v-model="queryParams.menuName"
          placeholder="请输入菜单名称"
          clearable
          size="small"
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="菜单状态" clearable size="small">
         <el-option
            v-for="dict in menuStatus"
            :key="dict.dictCode"
            :label="dict.dictLabel"
            :value="dict.dictValue"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>
    
    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
        >新增</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="el-icon-sort"
          size="mini"
          @click="toggleExpandAll"
        >展开/折叠</el-button>
      </el-col>
      <!-- <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar> -->
    </el-row>
    
    <el-table
	  v-loading="loading"
      v-if="refreshTable"
      :data="menuList"
      row-key="menuId"
      :default-expand-all="isExpandAll"
      :tree-props="{children: 'children', hasChildren: 'hasChildren'}"
    >
      <el-table-column prop="menuName" label="菜单名称" :show-overflow-tooltip="true" width="160"></el-table-column>
      <el-table-column prop="icon" label="图标" align="center" width="100">
        <template slot-scope="scope">
          <svg-icon :icon-class="scope.row.icon" />
        </template>
      </el-table-column>
      <el-table-column prop="orderNum" label="排序" width="60"></el-table-column>
      <el-table-column prop="perms" label="权限标识" :show-overflow-tooltip="true"></el-table-column>
      <el-table-column prop="component" label="组件路径" :show-overflow-tooltip="true"></el-table-column>
      <el-table-column prop="status" label="状态" width="80">
       <el-tag v-if="menuList.status === '1'">停用</el-tag>
	   <el-tag v-else>正常</el-tag>
      </el-table-column>
      <el-table-column label="创建时间" align="center" prop="createTime">
      <!--  <template slot-scope="scope">
          <span>{{ parseTime(scope.row.createTime) }}</span>
        </template> -->
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
          >修改</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-plus"
            @click="handleAdd(scope.row)"
          >新增</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    

    <!-- 添加或修改菜单对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="680px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-row>
          <el-col :span="24">
            <el-form-item label="上级菜单">
				<!-- vue-treeselect  https://www.vue-treeselect.cn/ -->
              <treeselect
                v-model="form.parentId"
                :options="menuOptions"
                :normalizer="normalizer"
                :show-count="true"
                placeholder="选择上级菜单"
              />
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="菜单类型" prop="menuType">
              <el-radio-group v-model="form.menuType">
                <el-radio label="M">目录</el-radio>
                <el-radio label="C">菜单</el-radio>
                <el-radio label="F">按钮</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item v-if="form.menuType != 'F'" label="菜单图标">
              <el-popover
                placement="bottom-start"
                width="460"
                trigger="click"
              >
                <IconSelect ref="iconSelect" @selected="selected" />
                <el-input slot="reference" v-model="form.icon" placeholder="点击选择图标" readonly>
                  <svg-icon
                    v-if="form.icon"
                    slot="prefix"
                    :icon-class="form.icon"
                    class="el-input__icon"
                    style="height: 32px;width: 16px;"
                  />
                  <i v-else slot="prefix" class="el-icon-search el-input__icon" />
                </el-input>
              </el-popover>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="菜单名称" prop="menuName">
              <el-input v-model="form.menuName" placeholder="请输入菜单名称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="显示排序" prop="orderNum">
              <el-input-number v-model="form.orderNum" controls-position="right" :min="0" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'">
              <span slot="label">
                <el-tooltip content="选择是外链则路由地址需要以`http(s)://`开头" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                是否外链
              </span>
              <el-radio-group v-model="form.isFrame">
                <el-radio label="0">是</el-radio>
				<el-radio label="1">否</el-radio>
			  </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'" prop="path">
              <span slot="label">
                <el-tooltip content="访问的路由地址，如：`user`，如外网地址需内链访问则以`http(s)://`开头" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                路由地址
              </span>
              <el-input v-model="form.path" placeholder="请输入路由地址" />
            </el-form-item>
          </el-col>
          <el-col :span="12" v-if="form.menuType == 'C'">
            <el-form-item prop="component">
              <span slot="label">
                <el-tooltip content="访问的组件路径，如：`system/user/index`，默认在`views`目录下" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                组件路径
              </span>
              <el-input v-model="form.component" placeholder="请输入组件路径" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'M'">
              <el-input v-model="form.perms" placeholder="请输入权限标识" maxlength="100" />
              <span slot="label">
                <el-tooltip content="控制器中定义的权限字符，如：@PreAuthorize(`@ss.hasPermi('system:user:list')`)" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                权限字符
              </span>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType == 'C'">
              <el-input v-model="form.query" placeholder="请输入路由参数" maxlength="255" />
              <span slot="label">
                <el-tooltip content='访问路由的默认传递参数，如：`{"id": 1, "name": "ry"}`' placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                路由参数
              </span>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType == 'C'">
              <span slot="label">
                <el-tooltip content="选择是则会被`keep-alive`缓存，需要匹配组件的`name`和地址保持一致" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                是否缓存
              </span>
              <el-radio-group v-model="form.isCache">
				<!-- <el-radio
				   v-for="dict in menuCache"
				   :key="dict.dictCode"
				   :label="dict.dictValue"
				 >{{dict.dictLabel}}</el-radio> -->
				 <el-radio label="0">缓存</el-radio>
				 <el-radio label="1">不缓存</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'">
              <span slot="label">
                <el-tooltip content="选择隐藏则路由将不会出现在侧边栏，但仍然可以访问" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                显示状态
              </span>
              <el-radio-group v-model="form.visible">
				<el-radio
				   v-for="dict in menuVisible"
				   :key="dict.dictCode"
				   :label="dict.dictValue"
				 >{{dict.dictLabel}}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item v-if="form.menuType != 'F'">
              <span slot="label">
                <el-tooltip content="选择停用则路由将不会出现在侧边栏，也不能被访问" placement="top">
                <i class="el-icon-question"></i>
                </el-tooltip>
                菜单状态
              </span>
              <el-radio-group v-model="form.status">
               <el-radio
                  v-for="dict in menuStatus"
                  :key="dict.dictCode"
                  :label="dict.dictValue"
                >{{dict.dictLabel}}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listMenu, handleTree, getMenu, delMenu, addMenu, updateMenu } from "../../../api/menu/menu.js";
import Treeselect from "@riophae/vue-treeselect";
import "@riophae/vue-treeselect/dist/vue-treeselect.css";
import IconSelect from "../../../components/IconSelect";
import {getDate} from "../../../api/data.js"
	export default {
		name: "Menu",
		dicts: ['sys_show_hide', 'sys_normal_disable'],
		components: { Treeselect,IconSelect},
		data(){
			return{
				// 遮罩层
				  loading: true,
				  // 显示搜索条件
				  showSearch: true,
				  // 菜单表格树数据
				  menuList: [],
				  // 菜单树选项的数组
				  menuOptions: [],
				  // 弹出层标题
				  title: "",
				  // 是否显示弹出层
				  open: false,
				  // 是否展开，默认全部折叠
				  isExpandAll: false,
				  // 重新渲染表格状态
				  refreshTable: true,
				  // 查询参数
				  queryParams: {
				    menuName: undefined,
				    visible: undefined
				  },
				  // 表单参数
				  form: {},
				  // 表单校验
				  rules: {
				    menuName: [
				      { required: true, message: "菜单名称不能为空", trigger: "blur" }
				    ],
				    orderNum: [
				      { required: true, message: "菜单顺序不能为空", trigger: "blur" }
				    ],
				    path: [
				      { required: true, message: "路由地址不能为空", trigger: "blur" }
				    ]
				  },
				  defaultProps:{
					  children: 'children',
					  label: 'menuName'
				  },
				 menuVisible:[],
				 menuCache:[],
				 menuStatus:[],
				 testTree:[]
				};
			},
			created() {
				this.getList();
				this.getmenuVisible();
				this.getmenuStatus();
				this.getmenuCache();
			},
			methods:{
				//查询按钮
				handleQuery(){
					this.getList();
				},
				//重置按钮
				resetQuery(){
					this.$refs['queryForm'].resetFields();
					this.handleQuery();
				},
				//新增按钮
				handleAdd(row){
					this.open = true;
					this.title = "添加菜单";
					this.reset();
					this.getTreeselect();
					//判断是操作中的单行数据的新增还是顶部按钮的新增
					if (row != null && row.menuId) {
					  this.form.parentId = row.menuId;
					} else {
					  this.form.parentId = 0;
					}
				},
				//表格展开与收缩
				toggleExpandAll(){
					//通过v-if重新渲染表格
					this.refreshTable = false;
					this.isExpandAll = !this.isExpandAll;
					this.$nextTick(() => {
					  this.refreshTable = true;
					});
				},
				//修改按钮
				handleUpdate(row){
					this.open = true;
					this.title = "修改菜单";
					this.reset();
					this.getTreeselect();
					getMenu(row.menuId).then(response => {
					  this.form = response.data;
					});
				},
				//删除按钮
				handleDelete(row){
					this.$confirm('是否确认删除名称为"' + row.menuName + '"的数据项？',{
						confirmButtonText: '确定',
						cancelButtonText: '取消',
						type: 'warning'
					}).then(function() {
					  return delMenu(row.menuId);
					}).then(() => {
					  this.getList();
					  this.$message({
						  type: 'success',
						  message: '删除成功'
					  });
					}).catch(() => {});
				},
				//获取表格数据
				getList(){
					this.loading = true;
					listMenu(this.queryParams).then(response => {
					  this.menuList = handleTree(response.data, "menuId");
					  this.loading = false;
					});
				},
				//规范化源数据，转换菜单数据结构，当后台返回数据与vue-treeselect支持属性不一致时
				normalizer(node){
					if (node.children && !node.children.length) {
					  delete node.children;
					}
					//转换数据结构
					return {
					  id: node.menuId,
					  label: node.menuName,
					  children: node.children
					};
				},
				//选择图标，当选择了图标，将对应图标的名字返回给输入框
				selected(name){
					this.form.icon = name;
				},
				//获取对话框中的下拉列表树
				getTreeselect(){
					listMenu().then(response => {
					  this.menuOptions = [];
					  const menu = { menuId: 0, menuName: '主类目', children: [] };
					  menu.children = handleTree(response.data, "menuId");
					  this.menuOptions.push(menu);
					});
					
				},
				//对话框的取消按钮事件
				cancel(){
					this.open = false;
					this.reset();
				},
				//对话框的表单重置方法，先初始化表单为所需要的样子，再进行表单重置
				reset(){
					this.form = {
					  menuId: undefined,
					  parentId: 0,
					  menuName: undefined,
					  icon: undefined,
					  menuType: "M",
					  orderNum: undefined,
					  isFrame: "1",
					  isCache: "0",
					  visible: "0",
					  status: "0",
					};
					if(this.$refs['form']){
						this.$refs['form'].resetFields();
					}
				},
				getmenuVisible(){
					let params = {'dictId': '2'}
					getDate(params).then(resp => {
						this.menuVisible = resp.data
					})
				},
				getmenuStatus(){
					let params = {'dictId':　'3'}
					getDate(params).then(resp => {
						this.menuStatus = resp.data
					})
				},
				getmenuCache(){
					let params = {'dictId': '6'}
					getDate(params).then(resp => {
						this.menuCache = resp.data
					})
				},
				//对话框表单的提交事件
				submitForm(){
					//输入框验证
					this.$refs["form"].validate(valid => {
					  if (valid) {
						//判断有menuId就进行修改，无menuId就进行删除
					    if (this.form.menuId != undefined) {
					      updateMenu(this.form).then(response => {
					        this.$message({
								type: 'success',
								message: '修改成功'
							});
					        this.open = false;
					        this.getList();
					      });
					    } else {
					      addMenu(this.form).then(response => {
					        this.$message({
								type: 'success',
								message: '新增成功'
							});
					        this.open = false;
					        this.getList();
					      });
					    }
					  }
					});
				}
			},
			computed:{
				tableMenuStatus: function(){
					return this.menuList.status === 0?"正常":"停用"
				}
			}
		}
</script>

<style>
</style>
